17068920417025 has 81 divisors (see below), whose sum is σ = 22562702697339. Its totient is φ = 12807642706560.

The previous prime is 17068920416993. The next prime is 17068920417041. The reversal of 17068920417025 is 52071402986071.

The square root of 17068920417025 is 4131455.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 13 ways, for example, as 16978297743729 + 90622673296 = 4120473^2 + 301036^2 .

It is not a de Polignac number, because 17068920417025 - 2⁵ = 17068920416993 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 61620651187 + ... + 61620651463.

Almost surely, 2^{17068920417025} is an apocalyptic number.

17068920417025 is the 4131455-th square number.

17068920417025 is the 2065728-th centered octagonal number.

It is an amenable number.

17068920417025 is a deficient number, since it is larger than the sum of its proper divisors (5493782280314).

17068920417025 is an frugal number, since it uses more digits than its factorization.

17068920417025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 916 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 52.

The spelling of 17068920417025 in words is "seventeen trillion, sixty-eight billion, nine hundred twenty million, four hundred seventeen thousand, twenty-five".